public class Hello(){
	
	//v1.0
	public void test01(){
		system.out.println("v1.0")
	}
	
	//v1.0
	public void test02(){
		system.out.println("v1.1")
	}
	//v1.2
	public void test023
		system.out.println("v1.2")
	}
	//v1.3
	public void test04(){
		system.out.println("v1.3")
	}
	
}